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Qiang Gao, Hemanth Somarajan Pillai, Yang Huang, Shikai Liu, Qingmin Mu, Xue Han, Zihao Yan, Hua Zhou, Qian He, Hongliang Xin, Huiyuan Zhu
The electrochemical nitrate reduction reaction (NO 3 RR) to ammonia is an essential step toward restoring the globally disrupted nitrogen cycle. In search of highly efficient electrocatalysts, tailoring catalytic sites with ligand and strain effects in random alloys is a common approach but remains limited due to the ubiquitous energy-scaling relations. With interpretable machine learning, we unravel a mechanism of breaking adsorption-energy scaling relations through the site-specific Pauli repulsion interactions of the metal d -states with adsorbate frontier orbitals. The non-scaling behavior can be realized on (100)-type sites of ordered B2 intermetallics, in which the orbital overlap between the hollow *N and subsurface metal atoms is significant while the bridge-bidentate *NO 3 is not directly affected. Among those intermetallics predicted, we synthesize monodisperse ordered B2 CuPd nanocubes that demonstrate high performance for NO 3 RR to ammonia with a Faradaic efficiency of 92.5% at −0.5 V RHE and a yield rate of 6.25 mol h −1 g −1 at −0.6 V RHE . This study provides machine-learned design rules besides the d -band center metrics, paving the path toward data-driven discovery of catalytic materials beyond linear scaling limitations.
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Gao, Q., Pillai, H. S., Huang, Y., Liu, S., Mu, Q., Han, X., Yan, Z., Zhou, H., He, Q., Xin, H., & Zhu, H. (2022). Breaking adsorption-energy scaling limitations of electrocatalytic nitrate reduction on intermetallic CuPd nanocubes by machine-learned insights. Nature Communications, 13(1), 2338. https://doi.org/10.1038/s41467-022-29926-w
Gao, Qiang, et al. "Breaking adsorption-energy scaling limitations of electrocatalytic nitrate reduction on intermetallic CuPd nanocubes by machine-learned insights." Nature Communications, vol. 13, no. 1, 2022, pp. 2338, https://doi.org/10.1038/s41467-022-29926-w.
Gao, Qiang, Hemanth Somarajan Pillai, Yang Huang, Shikai Liu, Qingmin Mu, Xue Han, Zihao Yan, et al. "Breaking adsorption-energy scaling limitations of electrocatalytic nitrate reduction on intermetallic CuPd nanocubes by machine-learned insights." Nature Communications 13, no. 1 (2022): 2338. https://doi.org/10.1038/s41467-022-29926-w.
Gao Q., Pillai H. S., Huang Y. [и др.] Breaking adsorption-energy scaling limitations of electrocatalytic nitrate reduction on intermetallic CuPd nanocubes by machine-learned insights // Nature Communications. — 2022. — Vol. 13, № 1. — P. 2338. — URL: https://doi.org/10.1038/s41467-022-29926-w
@article{gao2022breaking,
title = {{Breaking adsorption-energy scaling limitations of electrocatalytic nitrate reduction on intermetallic CuPd nanocubes by machine-learned insights}},
author = {Qiang Gao and Hemanth Somarajan Pillai and Yang Huang and Shikai Liu and Qingmin Mu and Xue Han and Zihao Yan and Hua Zhou and Qian He and Hongliang Xin and Huiyuan Zhu},
journal = {Nature Communications},
year = {2022},
volume = {13},
number = {1},
pages = {2338},
doi = {10.1038/s41467-022-29926-w},
url = {https://doi.org/10.1038/s41467-022-29926-w}
}TY - JOUR AU - Gao, Qiang AU - Pillai, Hemanth Somarajan AU - Huang, Yang AU - Liu, Shikai AU - Mu, Qingmin AU - Han, Xue AU - Yan, Zihao AU - Zhou, Hua AU - He, Qian AU - Xin, Hongliang AU - Zhu, Huiyuan TI - Breaking adsorption-energy scaling limitations of electrocatalytic nitrate reduction on intermetallic CuPd nanocubes by machine-learned insights JO - Nature Communications VL - 13 IS - 1 SP - 2338 PY - 2022 DA - 2022/04/29 DO - 10.1038/s41467-022-29926-w UR - https://doi.org/10.1038/s41467-022-29926-w ER -
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